نتایج جستجو برای: we selected pre

تعداد نتایج: 4877115  

Journal: :iranian journal of radiation research 0
m.r. salamat department of medical physics, isfahan university of medical sciences, isfahan, iran n. rostampour department of medical physics, isfahan university of medical sciences, isfahan, iran s. shanehsazzadeh department of medical physics, tehran university of medical sciences, tehran, iran m.b. tavakoli department of medical physics, isfahan university of medical sciences, isfahan, iran m. siavash department of endocrinology, isfahan university of medical sciences, isfahan, iran t. almasi department of physics, faculty of science, razi university, kermanshah, iran

background: osteoporosis is a chronic disease that contributes substantially to decrease physical activity and decline in the quality of life. osteoporosis can be diagnosed easily with the use of dual-energy x-ray absorptiometry (dxa) equipment. the aim of this study was to investigate the magnitude of bone loss on proximal femur and lumbar spine ls in pre- and post-menopausal women from isfaha...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

abstract in this study, we synthesized a novel template polymer by using methacrylic acid (mma) as functional monomer, ethylene glycol dimethacrylate(egdma) as cross linker, 2,2-azobisisobutyronitrile (aibn) as initiator and olanzapine as targeted molecule in the presence of chloroform and acetonitrile as solvent. the products have been characterized and confirmed by (chn)elemental analysis,...

Journal: :international journal of occupational and environment medicine 0
f habibzadeh

[no abstract available]

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

Journal: :trauma monthly 0
mohammadkarim bahadori health management research centre, baqiyatallah university of medical sciences, tehran, ir iran fatemeh ghardashi health management research centre, baqiyatallah university of medical sciences, tehran, ir iran; health management research centre, baqiyatallah university of medical sciences, tehran, ir iran. tel: +98-2182482417, fax: +98-2188057022 ahmad reza izadi health management research centre, baqiyatallah university of medical sciences, tehran, ir iran ramin ravangard school of management and medical information sciences, shiraz university of medical sciences, shiraz, ir iran sedigheh mirhashemi trauma research centre, baqiyatallah university of medical sciences, tehran, ir iran seyed mojtaba hosseini department of health services management, tehran north branch, islamic azad university, tehran, ir iran

conclusions the number of studies conducted on pre-hospital emergency services in iran is limited. to promote public health, consideration of prevention areas, processes to provide pre-hospital emergency services, policymaking, foresight, systemic view, comprehensive research programs and roadmaps, and assessments of research needs in pre-hospital emergency seem necessary. context pre-hospital ...

In this paper, some categorical properties of the category { Pre-Dcpo} of all pre-dcpos; pre-ordered sets which are also pre-directed complete, with pre-continuous maps between them is considered. In particular, we characterize products and coproducts in this category. Furthermore, we show that this category is neither complete nor cocomplete. Also, epimorphisms and monomorphisms in {Pre-Dcpo} ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و علوم انسانی 1392

language learning courseware has been receiving growing attention by english educators since its advent. a variety of softwares have been designed by software designers and resorted to by language educators to supplement language textbooks. this experimental study investigated how the application of computerized version of language textbooks and the reception of the entire course through comput...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده فیزیک 1392

in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...

Journal: :Public Health and Preventive Medicine Archive 2017

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